package com.springbootdemo.dao;

import com.springbootdemo.pojo.Department;
import com.springbootdemo.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工dao
@Repository
public class EmployeeDao {
    private static Map<Integer, Employee> employees = null;
    //员工有所属部门
    @Autowired
    private DepartmentDao departmentDao;
    static{
        employees = new HashMap<Integer, Employee>();//创建一个部门表
        employees.put(1001,new Employee(1001,"aa","a222@qq.com",0,new Department(101,"教学部")));
        employees.put(1002,new Employee(1002,"bb","b222@qq.com",1,new Department(102,"市场部")));
        employees.put(1003,new Employee(1003,"cc","c222@qq.com",0,new Department(103,"教研部")));
        employees.put(1004,new Employee(1004,"dd","d222@qq.com",1,new Department(104,"运营部")));
        employees.put(1005,new Employee(1005,"ee","e222@qq.com",0,new Department(105,"后勤部")));
    }
    //主键自增
    private static Integer initid =1006;
    //增加一个员工
    public void save(Employee employee){
        if (employee.getId() == null) {
            employee.setId(initid++);
        }
        employee.setDepartment(departmentDao.getDepartment(employee.getDepartment().getId()));
        employees.put(employee.getId(),employee);

    }
    //查询全部的员工
    public Collection<Employee> getAll(){
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }

    //通过id删除
    public void delete(Integer id){
        employees.remove(id);
    }
}
